Marin Mersenne 2^P-1
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Finding World Record Primes Since 1996

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MnStatusDetails
3569311Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
69666095152072011771962.62009-07-09 04:54:57
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)David LintonC2A8C68DE26395660
Verified (Factored)1999-07-27Ben MathewsC2A8C68DE263956649961
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-11-09Oliver KruseEDC277DA74DE7D53131388553
Verified2017-12-18kkmrkkblmbrbkEDC277DA74DE7D53198909053
History
DateUserTypeResult
2022-05-26JossNF-PM1
B1=100000, B2=130364850
2022-03-01JossNF-PM1
B1=100000
2017-12-18kkmrkkblmbrbkC-PRP
M3569311/6966609515207201177 : EDC277DA74DE7D53
PRP: Verified
PRP without proof (not generated)
2017-11-09Oliver KruseC-PRP
M3569311/6966609515207201177 : EDC277DA74DE7D53
PRP: Verified
PRP without proof (not generated)
2009-07-09Carsten KossendeyF
Factor: 6966609515207201177
2009-03-15S485122NF
no factor from 2^60 to 2^61